N39.9

Disorder of urinary system, unspecified

FY2027Chapter 14: Diseases of the genitourinary system/N30–N39 Other diseases of the urinary system

BillableComplete code, valid to report

N39.9 (also written N399) is a billable ICD-10-CM diagnosis code for disorder of urinary system, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 14 codes in category N39 (Other disorders of urinary system). The Alphabetic Index lists it under 4 entries. Its coding notes include 15 Excludes2 entries.

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from N39 Other disorders of urinary system
  • hematuria NOS (R31.-)
  • recurrent or persistent hematuria (N02.-)
  • recurrent or persistent hematuria with specified morphological lesion (N02.-)
  • proteinuria NOS (R80.-)
Also from chapter/block level (11 notes)
Inherited from N30–N39 Other diseases of the urinary system
  • urinary infection (complicating):
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
Inherited from Chapter 14 Diseases of the genitourinary system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 4 entries